#define _CRT_SECURE_NO_WARNINGS 1


BTnode* binarytreefind(BTnode root, int x)
{
	if (root == NULL)
	{
		reutrn NULL;
	}
	if (root->data == x)
	{
		return root;
	}
	BTnode* x= binarytreefind(root->left);
	if()

	BTnode* y= binarytreefind(root->right);
	if ()

		return NULL;
}


int main()
{
	return 0;
}